*, *:before, *:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

p {
  margin: 0;
}

a {
  text-decoration: none;
}

.right {
  text-align: right;
}

/***********************************************************/

.nav {
  height:50px;
  line-height: 48px;
}

.nav span, .nav a {
  margin-right: 10px;
}

.menu {
  width:190px;
  border-bottom: 0;
}

.contents {
  
}

.contents .content-row {
  padding: 10px 5px;
}

.contents .content-row .speaker {
  display: block;
  margin: 0 5px;
  font-size: 12px;
}

.contents .content-row .text {
  margin: 0 5px;
  display: inline-block;
}

.contents .content-row .image {
  cursor: pointer;
  margin: 0 5px;
}

.contents .content-row .file {
  display: inline-block;
  border: 1px solid #CFDBE2;
  margin: 0 5px;
}

.contents .content-row .file img {
  float: left;
  width: 40px;
  margin-right: 10px;
}

.contents .content-row .file span {
  padding-right: 5px;
}

.contents .content-row .file .size {
  font-size: 12px;
}

.contents .content-row .file .operate {
  border-top: 1px solid #CFDBE2;
  color: #009BDB;
  margin-top: 5px;
  line-height: 18px;
  font-size: 12px;
  padding: 0 5px;
  text-align: right;
}

.footer {
  height: 175px;
}

.footer .tools {
  background: #FAFAFA;
  border-top: 1px solid #C4C4C4;
  border-bottom: 1px solid #C4C4C4;
  padding: 5px 5px;
}

.footer .tools a {
  display: inline-block;
  cursor: pointer;
  padding: 2px 5px;
}

.footer .tools a:hover {
  background: #e6e6e6;
}

.footer .tools a img {
  width: 18px;
  height: 18px;
}

.footer .send {
  padding: 6px 5px;
  text-align: right;
}

.footer .send button {
  height: 30px;
  width: 70px;
}
